| Form N-CSR Cover | 6 Months Ended |
| Nov. 30, 2024 | |
| Shareholder Report [Line Items] | |
| Document Type | N-CSRS |
| Amendment Flag | false |
| Registrant Name | EA Series Trust |
| Entity Central Index Key | 0001592900 |
| Entity Investment Company Type | N-1A |
| Document Period End Date | Nov. 30, 2024 |
| Shareholder Report | 6 Months Ended |
| Nov. 30, 2024 USD ($) holding | |
| Shareholder Report [Line Items] | |
| Document Type | N-CSRS |
| Amendment Flag | false |
| Registrant Name | EA Series Trust |
| Entity Central Index Key | 0001592900 |
| Entity Investment Company Type | N-1A |
| Document Period End Date | Nov. 30, 2024 |
| C000236406 [Member] | |
| Shareholder Report [Line Items] | |
| Fund Name | AOT Growth and Innovation ETF |
| Class Name | AOT Growth and Innovation ETF |
| Trading Symbol | AOTG |
| Security Exchange Name | NASDAQ |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the AOT Growth and Innovation ETF (the “Fund”) for the period of June 1, 2024 to November 30, 2024 (the “Period”). |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at https://aotetf.com/. You can also request this information by contacting us at (215) 330-4476. |
| Additional Information Phone Number | (215) 330-4476 |
| Additional Information Website | https://aotetf.com/ |
| Expenses [Text Block] | WHAT WERE THE FUND COSTS FOR THE PERIOD? COST OF $10,000 INVESTMENT COST PAID AS A PERCENTAGE OF $10,000 INVESTMENT $42 0.75% |
| Expenses Paid, Amount | $ 42 |
| Expense Ratio, Percent | 0.75% |
| Net Assets | $ 51,447,706 |
| Holdings Count | holding | 47 |
| Advisory Fees Paid, Amount | $ 164,929 |
| Investment Company, Portfolio Turnover | 5% |
| Additional Fund Statistics [Text Block] | KEY FUND STATISTICS (as of Period End) Net Assets $51,447,706 Advisory Fees $164,981 # of Portfolio Holdings 47 Fees Waived and/or Expenses Reimbursed $(52) Portfolio Turnover Rate* 5% Net Advisory Fees Paid $164,929 *Portfolio turnover is not annualized and is calculated without regard to short-term securities having a maturity of less than one year. Excludes impact of in-kind transactions. |
| Holdings [Text Block] | SECTOR WEIGHTING Information Technology 51.3% Financials 22.3% Communication Services 10.2% Consumer Discretionary 9.9% Industrials 3.6% Health Care 2.1% Real Estate 0.4% Cash & Cash Equivalents 1.3% TOP 10 HOLDINGS Nvidia Corp. 10.7% Advanced Micro Devices, Inc. 7.6% Toast, Inc. - Class A 6.7% Taiwan Semiconductor Manufacturing Co. Ltd. - ADR 4.9% Microsoft Corp. 4.8% Amazon.com, Inc. 4.8% Salesforce, Inc. 4.8% Alphabet, Inc. - Class A 4.8% Shopify, Inc. - Class A 4.3% NU Holdings Ltd. - Class A 4.3% |
| Shareholder Report, Holdings (Details) - C000236406 [Member] | Nov. 30, 2024 |
| Nvidia Corp. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 10.70% |
| Advanced Micro Devices, Inc. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.60% |
| Toast, Inc. - Class A [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.70% |
| Taiwan Semiconductor Manufacturing Co. Ltd. - ADR [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.90% |
| Microsoft Corp. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.80% |
| Amazon.com, Inc. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.80% |
| Salesforce, Inc. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.80% |
| Alphabet, Inc. - Class A [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.80% |
| Shopify, Inc. - Class A [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.30% |
| NU Holdings Ltd. - Class A - Class A [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.30% |
| Information Technology Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 51.30% |
| Financial Services Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 22.30% |
| Communications Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 10.20% |
| Consumer Discretionary Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.90% |
| Industrial Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.60% |
| Health Care [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| Real Estate Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.40% |
| Cash & Cash Equivalents Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
